- Optimization: Re-rerun image optimization per update

- Linting (ESLint): Adjust per now applied rules
- Testing: Accessibility test API update
- Docs: Clarify need for Node.js/npm being installed
- npm: Update devDeps and core-js-bundle copy; add new axe testing peer dep. axe-core

editor/jgraduate/jQuery.jGraduate.js

@@ -303,12 +303,17 @@ export default function jQueryPluginJGraduate ($) {
         $this.hide();
       };
 
-      $.extend(true, $this, { // public properties, methods, and callbacks
-        // make a copy of the incoming paint
-        paint: new $.jGraduate.Paint({copy: $settings.paint}),
-        okCallback: typeof okCallback === 'function' ? okCallback : null,
-        cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null
-      });
+      $.extend(
+        true,
+        $this,
+        // public properties, methods, and callbacks
+        {
+          // make a copy of the incoming paint
+          paint: new $.jGraduate.Paint({copy: $settings.paint}),
+          okCallback: typeof okCallback === 'function' ? okCallback : null,
+          cancelCallback: typeof cancelCallback === 'function' ? cancelCallback : null
+        }
+      );
 
       let // pos = $this.position(),
         color = null;